attempt bun migration

Author: KameiKojirou

.github/workflows/deploy.yaml

@@ -25,7 +25,7 @@ jobs:
         with:
           path: . # The root location of your Astro project inside the repository. (optional)
           node-version: 20 # The specific version of Node that should be used to build your site. Defaults to 20. (optional)
-          package-manager: pnpm@latest # The Node package manager that should be used to install dependencies and build your site. Automatically detected based on your lockfile. (optional)
+          package-manager: bun@latest # The Node package manager that should be used to install dependencies and build your site. Automatically detected based on your lockfile. (optional)
 
   deploy:
     needs: build